Re: [Haskell-cafe] How to check if two Haskell files are the same?

On Tue, Sep 16, 2008 at 7:30 AM, Mauricio wrote:

Hi,

I would like to write a Haskell pretty-printer, using standard libraries for that. How can I check if the original and the pretty-printed versions are the same? For instance, is there a file generated by GHC at the compilation pipe that is always guaranteed to have the same MD5 hash when it comes from equivalent source?

I don't know, but you can parse the resulting concrete syntax and compare the original abstract syntax to the new abstract syntax.

Thanks, Maurício

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